/**
 * Copyright (c) 2015-2016, Michael Yang 杨福海 (fuhai999@gmail.com).
 * <p>
 * Licensed under the GNU Lesser General Public License (LGPL) ,Version 3.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.gnu.org/licenses/lgpl-3.0.txt
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.jpress.ui.freemarker.function;

import io.jpress.core.render.freemarker.JFunction;
import io.jpress.model.query.OptionQuery;
import io.jpress.utils.StringUtils;

public class OptionChecked extends JFunction {

    @Override
    public Object onExec() {
        String key = getToString(0);
        if (key == null)
            return "";

        String value = getToString(1);
        if (StringUtils.isNotBlank(value)) {
            String setting = OptionQuery.me().findValue(key);
            if (value.equals(setting)) {
                return "checked=\"checked\"";
            } else {
                return "";
            }
        }

        if (key.startsWith("!")) {
            Boolean bool = OptionQuery.me().findValueAsBool(key.substring(1));
            if (bool != null && !bool) {
                return "checked=\"checked\"";
            }
        } else {
            Boolean bool = OptionQuery.me().findValueAsBool(key);
            if (bool != null && bool) {
                return "checked=\"checked\"";
            }
        }

        return "";
    }


}
